Classification
440 - Romance languages; French
348
420 - English & Old English
86
330 - Economics
33
320 - Political science
26
400 - Language
16
820 - English & Old English literatures
16
840 - Literatures of Romance languages
13
630 - Agriculture & related technologies
10
900 - History & geography
8
340 - Law
6
418 - Standard usage & applied linguistics
6
006 - Special computer methods
5
300 - Social sciences
5
370 - Education
5
306 - Culture & institutions
4
304 - Factors affecting social behavior
3
401 - Philosophy & theory
3
410 - Linguistics
3
700 - The arts; fine & decorative arts
3
780 - Music
3
800 - Literature & rhetoric
3
230 - Christianity & Christian theology
2
430 - Germanic languages; German
2
448 - Standard French usage
2
576 - Genetics & evolution
2
841 - French poetry
2
910 - Geography & travel
2
004 - Data processing & computer science
1
005 - Computer programming, programs & data
1
020 - Library & information sciences
1
030 - General encyclopedic works
1
150 - Psychology
1
152 - Perception, movement, emotions & drives
1
170 - Ethics
1
201 - Religious mythology & social theology
1
301 - Sociology & anthropology
1
303 - Social processes
1
327 - International relations
1
344 - Labor, social, education & cultural law
1
360 - Social problems & services; associations
1
362 - Social welfare problems & services
1
384 - Communications; telecommunication
1
409 - Geographic & persons treatment
1
414 - Phonology & phonetics
1
417 - Dialectology & historical linguistics
1
450 - Italian, Romanian & related languages
1
470 - Italic languages; Latin
1
500 - Natural sciences & mathematics
1
512 - Algebra
1
530 - Physics
1
more ...